A and B together can complete a work in 20 days. A's efficiency is 12.5% more than B's. Find the time taken by B alone to complete the same work.
1
105/2 days
2
95/2 days
3
85/2 days
4
100/3 days
5
None of these
A and B together can complete a work in 20 days. A's efficiency is 12.5% more than B's. Find the time taken by B alone to complete the same work.